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A123366
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Primes of the form 10*(10^(x+1)+10^x-1)+7.
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0
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1097, 1099997, 10999997, 1099999997, 1099999999999999999999997, 10999999999999999999999997, 1099999999999999999999999999999999999999997, 10999999999999999999999999999999999999999999999999999999999999999997
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OFFSET
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1,1
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COMMENTS
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10(10^803+10^802-1)+7 is the largest PRP with less than 1000 digits.
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LINKS
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PROG
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(PARI) g(n) = for(x=1, n, y=10*(10^(x+1)+10^x-1)+7; if(ispseudoprime(y), print1(y", ")))
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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